Quadriceps activity and physical activity profiles over long durations in patients with osteoarthritis of the knee and controls

Tracey E. Howe, Danny Rafferty

Research output: Contribution to journalArticle

Abstract

Exercise is recommended as a non-pharmacological, non-invasive intervention for osteoarthritis (OA) of the knee. Physiological data concerning the duration and intensity of muscle activity or physical activity profiles during normal daily activity for this population is lacking. Our aim was to explore this using surface Electromyography (EMG) and accelerometer-based activity monitoring. Thirty-four patients with knee OA, mean (SD) age 63.2 (9.8) years and 30 aged-matched asymptomatic controls 64.1 (10.9) years participated. The duration of recording was similar in knee OA and control groups – median (IRQ range) 12:34 (10:11–14:17) h and 13:10 (12:02–14:56) h, respectively (p = 0.514).

Original languageEnglish
Pages (from-to)78-83
Number of pages6
JournalJournal of Electromyography and Kinesiology
Volume19
Issue number2
DOIs
Publication statusPublished - 1 Mar 2009

Keywords

  • knee movement
  • exercise
  • osteoarthritis

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